/Engine/Source/Editor/CurveEditor/Public/Tree/CurveEditorTree.h
Retrieve the filter state for a specific tree item ID
The item's filter state, or ECurveEditorTreeFilterState::Match if filters are not currently active.
ECurveEditorTreeFilterState Get ( [FCurveEditorTreeItemID](API\Editor\CurveEditor\FCurveEditorTreeItemID) ItemID ) const